Home / 17,213,171.72-25,802,506.08-7,997,618.36

Finding the Fourth Proportional to 17,213,171.72, 25,802,506.08 and 7,997,618.36

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Solution

The fourth proportional to 17,213,171.72, 25,802,506.08 and 7,997,618.36 is: 11,988,412.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,213,171.72 : 25,802,506.08 = 7,997,618.36 : x
  2. Step 2: Convert to fraction form
    17,213,171.72/25,802,506.08 = 7,997,618.36/x
  3. Step 3: Cross multiply
    17,213,171.72x = 25,802,506.08 × 7,997,618.36
  4. Step 4: Simplify right side
    17,213,171.72x = 206,358,596,359,419.62
  5. Step 5: Solve for x
    x = 206,358,596,359,419.62/17,213,171.72
  6. Step 6: Final answer
    x = 11,988,412.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.